US Bridges

Route 8 Southbound over Naugatuck Railroad Co.

Fair

Litchfield County, Connecticut · 0.3 MI N of Route 222 · Structure no. 03354

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
253 ft
3 main spans
Daily traffic
10,700
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over Naugatuck Railroad Co. is a steel stringer/multi-beam or girder carrying Route 8 Southbound over Naugatuck Railroad Co. in Litchfield County, Connecticut. It was built in 1966, so it is 59 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,700 vehicles a day, roughly 6% of them trucks, projected to reach 15,899 by 2041. The structure is 253 ft (77.1 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 8 Southbound
CrossesNaugatuck Railroad Co.
Location0.3 MI N of Route 222
RouteState Highway 8
CountyLitchfield County
StateConnecticut
Coordinates41.67877, -73.06472
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length253 ft (77.1 m)
Longest span92 ft (27.9 m)
Deck width53 ft (16.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2021)
Projected traffic15,899 by 2041
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 8 Southbound over Naugatuck Railroad Co. built?

It was built in 1966, making it 59 years old in 2025.

What condition is Route 8 Southbound over Naugatuck Railroad Co. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Route 8 Southbound over Naugatuck Railroad Co. carry?

About 10,700 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Southbound over Naugatuck Railroad Co.?

The structure is 253 ft (77.1 m) long with a longest span of 92 ft (27.9 m) and a deck 53 ft wide.

Who owns Route 8 Southbound over Naugatuck Railroad Co.?

It is owned by the State Highway Agency.